Chuu Ou is an antagonist of the Houshin Engi anime and manga series and is the Emperor of the Yin.

When his clan is wiped out by a beautiful demon, young Taikobo finds himself in charge of the mysterious Hoshin Project. Its mission: find all immortals living in the human world and seal them away forever. But who do you trust--and whose side are you really on--when you've been trained to hunt demons by a demon?
 
(Source: Viz Media)

Thousands of years ago, it was a time of witchcraft and dark magic. An evil sorceress has bewitched the emperor of the mighty dynasty and he has become a mindless puppet. The country is in shambles and evil spirits lurk everywhere. The human world is on the verge of utter destruction. A bold mission is planned by the Confederation of the Immortal Masters. They send a young master wizard to hung down the villains and evil warlocks in the devastated lands. 
(Source: Anime News Network)

[Blog](http://koyap.jugem.jp/) | [Agency Profile](https://tsf-official.com/talent/takehito-koyasu/)

Koyasu is the most prolific voice actor in the industry, having been credited for over 700 roles as of April 2022.

Growing up, Koyasu skipped out on going to school to watch movies at home because he wanted to become an actor. It wasn’t until later that he became interested in voice acting after having seen [Galaxy Express 999](https://anilist.co/anime/1491/). After graduation he entered a voice acting school. In 1988, he made his voice acting debut, and got his first regular role a year later voicing [Gai](https://anilist.co/character/13374/) in [Tenkuu Senki Shurato](https://anilist.co/anime/2113/).

Though having voiced more characters in the medium than anyone else, he is probably most known for his role as [Dio Brando](https://anilist.co/character/4004/) in [JoJo’s Bizarre Adventure](https://anilist.co/anime/14719/). He has stated that he likes playing villainous characters.

Koyasu has taken over many of [Kaneto Shiozawa](https://anilist.co/staff/95424/)’s roles after Shiozawa’s passing.

Father of [Kouki Koyasu](https://anilist.co/staff/219102/).

__Non-Anime Roles:__

- Olivert Reise Arnor - The Legend of Heroes Series (VG)
- More - Metaphor: ReFantazio (VG)
- Mustang - Goddess of Victory: Nikke (VG)

A once thrived kingdom, Yin—now governed by an evil hermit, Dakki, and her party—is in a chaotic status with its people suffering Dakki’s oppressions. Seeing this, The Hermit Band took it seriously and planned a "Houshin Plan" which is assigned to an apprentice hermit, Taikoubou, who gathered partners, captured and sealed all evil hermits, and planned to establish a new kingdom. On the other hand, the strongest and an Yin- royal hermit, Bunchuu, stood up against Taikoubou to protect the old kingdom with all his might. Thus, the death battle among invincible hermits begins... 

(Source: Crunchyroll)

__Alma Mater:__ Tokyo International University

[Website](https://kiramune.jp/artist/namikawa/) | [Twitter](https://twitter.com/namidai0402) | [Blog](https://ameblo.jp/namikawa--daisuke) | [YouTube](https://www.youtube.com/channel/UCgrXnEIrI4LLgVYzGoQvJcg)